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BRANCH AUTOMOBILE ENGINEERING

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SEM 6th ,S-22

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SUBJECT AUTOMOTIVE SYSTEM & HEAVY EQUIPMENTS

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CHAPTER 01

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TOPIC FRONT AXLE

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FACULTY Er. BALADHARA JENA

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FRONT AXLE

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  • An axle is a central shaft for a rotating wheel or gear.

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  • On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle.

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  • Bearings or bushings are provided at the mounting points where the axle is supported.

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REAR AXLE

  • Full Floating
  • Semi Floating
  • Three Quarter Floating

FRONT

AXLE

  • Dead Front Axle
  • Line Front Axle

STUB AXLE

  • Elliot
  • Reversed Elliot
  • Lamoine
  • Reversed Lamoine

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Front wheels of the vehicle are mounted on front axles .

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It supports the weight of front part of the vehicle. It facilitates steering.

It absorbs shocks which are transmitted due to road surface irregularities.

It absorbs torque applied on it due to braking of vehicle.

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Dead axles are those axles, which do not rotate.

These axles have sufficient rigidity and strength to take the weight.

The ends of front axle are suitably designed to accommodate stub axles.

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Live axles are used to transmit power from gear box to front wheels.

Live front axles although, resemble rear axles but they are different at the ends where wheels are mounted. Maruti-800 has line front axle.

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Stub axles are connected to the front axle by king pins. Front wheels are mounted on stub axles arrangement for steering.

Stub axle turns on king pins. King pins is fitted in the front axle beam eye and is located and locked there by a taper cotter pin. Stub axles are of four types:

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Elliot Reversed Elliot Lamoine

Reversed Lamoine

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TYPES OF STUB AXLES